Lollapalooza 2015 lineup headlined by Metallica and Paul McCartney

THE ASSOCIATED PRESS|

Mar 25, 2015 | 11:19 AM

Metallica, featuring (from l.) drummer Lars Ulrich, frontman James Hetfield and lead guitarist Kirk Hammett, will be one of the headlining acts of this year’s Lollapalooza. (Jeff Kravitz/Getty Images for HBO)

CHICAGO — Paul McCartney, Metallica and Sam Smith will be among 130 acts at this year's Lollapalooza music festival in Chicago.

Lollapalooza founder Perry Farrell said Florence + the Machine, Bassnectar and The Weeknd are also on the lineup.